Which component can store configuration and firmware on a device?
Correct Answer: D. Memory
MCQ Collection
Internet of Things (IoT) MCQs
Internet of Things MCQs for students, university exams, smart devices, sensors, networks, and technology-related preparation.
Which method is typically used in REST to retrieve data?
Correct Answer: D. GET
Retransmission is used when:
Correct Answer: D. A packet may be lost or not acknowledged
A CoAP client usually sends a request to:
Correct Answer: D. A CoAP server resource
Which is a common issue in IoT architecture?
Correct Answer: A. Heterogeneity of devices and protocols
Which function is commonly handled by an IoT gateway?
Correct Answer: A. Protocol translation
Which is a good design principle for IoT architecture?
Correct Answer: A. Modular design with clear layers and interfaces
Which method is typically used in REST to create or send data?
Correct Answer: A. POST
Which metric measures the time taken for packets to travel?
Correct Answer: A. Delay or latency
Which CoAP method is used to read a resource?
Correct Answer: A. GET
Which device typically performs local filtering or aggregation of sensor readings?
Correct Answer: B. Edge device or gateway
Which node component usually converts analog sensor signals into digital values?
Correct Answer: B. Analog-to-digital converter